Hi, I'm new here. I have a 2012 JKU Sahara with 6 speed manual and 118k miles.

Threw a P0132 and P1128 so I replaced the Bank 1 (passenger side) upstream O2 sensor with an NGK which was all I could get locally and quickly. Jeep was driving like crap. Codes have been gone now for 2 days (NO CHECK ENGINE LIGHT RIGHT NOW) but it is a little jerky/erratic when accelerating in lower speeds.

Is this an issue where the other sensors are not in harmony with the new one? Do I need to replace (or clean) the downsteam bank 1 or do I need to replace all 3 remaining (hope not)?

I have the JScan if there are any metrics I can look at to further diagnose.

Any wisdom appreciated.

 

Some of us with manual trans of that era have had a hiccup in acceleration in low gears and solved the problem with replacing the crank position sensor. It is an easy 5 minute job. Located underneath the Jeep in the proximity of the front passenger tire.

 

I suppose that could be an issue with the crank sensor however the jerkiness was not an issue prior to the O2 sensor replacement and I would rather not unnecessarily replace any sensors I don't have to ($ wise). It feels like some other sensor is off but not enough to throw a code.